Malicious PDF — malware analysis report

Static analysis result for SHA-256 9250b06a27d74426…

MALICIOUS

PDF

72.4 KB Created: 2021-02-19 14:03:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 00bcf272d4618ccd33c5080f8269d471 SHA-1: 198e349a065f0452501d7b22db7e01c0167b0afb SHA-256: 9250b06a27d74426b26756ab17730c5af28e6a9641920c2d258b787c28059e39
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://crophysi.ru/wix?keyword=vizio+tv+manual+power+button In PDF document text
    • https://cdn.sqhk.co/pugudanirav/gfgfJV3/68491950856.pdfIn PDF document text
    • http://doordash.link/peter_lynch_one_up_on_wall_street_free_downloadpr0uo.pdfIn PDF document text
    • https://cdn.sqhk.co/xipepovivik/pSzgeUs/retro_galaxy_wars.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483586/normal_600a4d1a79cc7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422385/normal_601e7742272b3.pdfIn PDF document text
    • https://cdn.sqhk.co/mugegiduveb/jWidja3/abalone_price_usa.pdfIn PDF document text
    • https://cdn.sqhk.co/konafomaz/hgDuCje/59808840925.pdfIn PDF document text
    • http://policyhelpcenter.com/is_drinking_a_green_smoothie_everyday_healthyze5cx.pdfIn PDF document text
    • https://cdn.sqhk.co/jabuvilir/hgdhfib/16692728243.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4500438/normal_60012c7811b05.pdfIn PDF document text
    • https://cdn.sqhk.co/tiwumixe/a42hdMg/outdoor_cat_furniture_for_sale.pdfIn PDF document text
    • https://cdn.sqhk.co/jomonufo/zYPhbhg/top_war_battle_game_best_upgrade_components.pdfIn PDF document text
    • http://sport-stavki.fun/formation_bartender_pole_emploi605qo.pdfIn PDF document text
    • http://contact-git.top/46442252312hgt9e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4422168/normal_5fe09e4b66d54.pdfIn PDF document text
    • https://cdn.sqhk.co/zobelekivix/i0jdjgg/lovelace_westside_obgyn.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462093/normal_601a3ed903d89.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jebefufodapiwi.epizy.com/informant_5_for_pc.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e02a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE02A 5092 bytes
SHA-256: c9fc8fb7d75fead34be7d07bfbdde46a7b37901423fe1f4e22e79c885af47a3a
font_01_sfnt_off0000f17e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF17E 10192 bytes
SHA-256: 73dac39c9a78c226b77221377f64e5538cc3041cf2713529e9154a92b616ef5c

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